Mitsubishi Electric S Series Manual page 34

CEILING CASSETTE
8. Installing the grille
Fig. 8-1
Fig. 8-2
Fig. 8-3
Fig. 8-4
Fig. 8-5
B-34
8.1. Check the grille accessories (Fig. 8-1)
• The grille should be supplied with the following accessories.
Accessory name
Grille
Screw with washer
Gauge
Fastener
Band
8.2. Preparing to attach the grille (Fig. 8-2)
• With the gauge supplied with this kit, adjust and check the positioning of the unit
relative to the ceiling. If the unit is not properly positioned in the ceiling, there may
be air leaks, condensation may form, or the up/down vanes may not operate cor-
rectly.
• Make sure that the opening in the ceiling is within the following tolerances:
576 576 - 620 620
• Make sure that step A is performed within 27-32 mm. Damage could result by fail-
ing to adhere to this range.
Main unit
Ceiling
Gauge (Accessory)
Ceiling opening dimensions
8.2.1. Removing the intake grille (Fig. 8-3)
• Slide the levers in the direction indicated by the arrow
• Unlatch the hook that secures the grille.
* Do not unlatch the hook for the intake grille.
• With the intake grille in the "open" position, remove the hinge of the intake grille
from the grille as indicated by the arrow
8.2.2. Removing the corner panel (Fig. 8-4)
• Remove the screw from the corner of the corner panel. Slide the corner panel as
indicated by the arrow to remove the corner panel.
Intake grille
Grille
Intake grille levers
Grille hook
8.3. Installing the grille
(mm)
• Please pay attention because there is a restriction in the attachment position of the
grille.
8.3.1. Preparations (Fig. 8-5)
• Install the two enclosed screws with washer in the main unit (at the corner refriger-
ant pipe area and at the opposite corner) as shown in the diagram.
Main unit
Detailed diagram of installed screw with washer (accessory).
S series
Q`ty Remark
1 650 650 (mm)
4 M5 0.8 25 (mm)
1
2
2
to open the intake grille.
.
Hole for the grille`s hook
Corner panel
Screw